Forklift truck



FIG. 1 is a front perspective view of a forklift truck showing my new design;

FIG. 2 is a right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a front view thereof; and,

FIG. 6 is a rear view thereof.

The bottom plan view is not included since the design is for the heavy article. The broken lines are shown for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a forklift truck, as shown and described. 